21173988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160409}}^1$

素因数の和:160427

約数の個数: 24

約数和(自身を含む): 53897760

約数和(自身を除く): 32723772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160409, 320818, 481227, 641636, 962454, 1764499, 1924908, 3528998, 5293497, 7057996, 10586994, 21173988]

約数ペア:

[(1, 21173988), (2, 10586994), (3, 7057996), (4, 5293497), (6, 3528998), (11, 1924908), (12, 1764499), (22, 962454), (33, 641636), (44, 481227), (66, 320818), (132, 160409)]